Further macro protection by replacing _[A-Z] with _[A-Z]p

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@145410 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/__bit_reference b/include/__bit_reference
index 9ee1dd9..2688b5e 100644
--- a/include/__bit_reference
+++ b/include/__bit_reference
@@ -22,8 +22,8 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _C, bool _IsConst> class __bit_iterator;
-template <class _C> class __bit_const_reference;
+template <class _Cp, bool _IsConst> class __bit_iterator;
+template <class _Cp> class __bit_const_reference;
 
 template <class _Tp>
 struct __has_storage_type
@@ -31,22 +31,22 @@
     static const bool value = false;
 };
 
-template <class _C, bool = __has_storage_type<_C>::value>
+template <class _Cp, bool = __has_storage_type<_Cp>::value>
 class __bit_reference
 {
-    typedef typename _C::__storage_type    __storage_type;
-    typedef typename _C::__storage_pointer __storage_pointer;
+    typedef typename _Cp::__storage_type    __storage_type;
+    typedef typename _Cp::__storage_pointer __storage_pointer;
 
     __storage_pointer __seg_;
     __storage_type    __mask_;
 
 #if defined(__clang__)
-    friend typename _C::__self;
+    friend typename _Cp::__self;
 #else
-    friend class _C::__self;
+    friend class _Cp::__self;
 #endif
-    friend class __bit_const_reference<_C>;
-    friend class __bit_iterator<_C, false>;
+    friend class __bit_const_reference<_Cp>;
+    friend class __bit_iterator<_Cp, false>;
 public:
     _LIBCPP_INLINE_VISIBILITY operator bool() const _NOEXCEPT
         {return static_cast<bool>(*__seg_ & __mask_);}
@@ -68,74 +68,74 @@
         {return operator=(static_cast<bool>(__x));}
 
     _LIBCPP_INLINE_VISIBILITY void flip() _NOEXCEPT {*__seg_ ^= __mask_;}
-    _LIBCPP_INLINE_VISIBILITY __bit_iterator<_C, false> operator&() const _NOEXCEPT
-        {return __bit_iterator<_C, false>(__seg_, static_cast<unsigned>(__ctz(__mask_)));}
+    _LIBCPP_INLINE_VISIBILITY __bit_iterator<_Cp, false> operator&() const _NOEXCEPT
+        {return __bit_iterator<_Cp, false>(__seg_, static_cast<unsigned>(__ctz(__mask_)));}
 private:
     _LIBCPP_INLINE_VISIBILITY
     __bit_reference(__storage_pointer __s, __storage_type __m) _NOEXCEPT
         : __seg_(__s), __mask_(__m) {}
 };
 
-template <class _C>
-class __bit_reference<_C, false>
+template <class _Cp>
+class __bit_reference<_Cp, false>
 {
 };
 
-template <class _C, class _D>
+template <class _Cp, class _Dp>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-swap(__bit_reference<_C> __x, __bit_reference<_D> __y) _NOEXCEPT
+swap(__bit_reference<_Cp> __x, __bit_reference<_Dp> __y) _NOEXCEPT
 {
     bool __t = __x;
     __x = __y;
     __y = __t;
 }
 
-template <class _C>
+template <class _Cp>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-swap(__bit_reference<_C> __x, bool& __y) _NOEXCEPT
+swap(__bit_reference<_Cp> __x, bool& __y) _NOEXCEPT
 {
     bool __t = __x;
     __x = __y;
     __y = __t;
 }
 
-template <class _C>
+template <class _Cp>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-swap(bool& __x, __bit_reference<_C> __y) _NOEXCEPT
+swap(bool& __x, __bit_reference<_Cp> __y) _NOEXCEPT
 {
     bool __t = __x;
     __x = __y;
     __y = __t;
 }
 
-template <class _C>
+template <class _Cp>
 class __bit_const_reference
 {
-    typedef typename _C::__storage_type          __storage_type;
-    typedef typename _C::__const_storage_pointer __storage_pointer;
+    typedef typename _Cp::__storage_type          __storage_type;
+    typedef typename _Cp::__const_storage_pointer __storage_pointer;
 
     __storage_pointer        __seg_;
     __storage_type __mask_;
 
 #if defined(__clang__)
-    friend typename _C::__self;
+    friend typename _Cp::__self;
 #else
-    friend class _C::__self;
+    friend class _Cp::__self;
 #endif
-    friend class __bit_iterator<_C, true>;
+    friend class __bit_iterator<_Cp, true>;
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __bit_const_reference(const __bit_reference<_C>& __x) _NOEXCEPT
+    __bit_const_reference(const __bit_reference<_Cp>& __x) _NOEXCEPT
         : __seg_(__x.__seg_), __mask_(__x.__mask_) {}
 
     _LIBCPP_INLINE_VISIBILITY operator bool() const _NOEXCEPT
         {return static_cast<bool>(*__seg_ & __mask_);}
 
-    _LIBCPP_INLINE_VISIBILITY __bit_iterator<_C, true> operator&() const _NOEXCEPT
-        {return __bit_iterator<_C, true>(__seg_, static_cast<unsigned>(__ctz(__mask_)));}
+    _LIBCPP_INLINE_VISIBILITY __bit_iterator<_Cp, true> operator&() const _NOEXCEPT
+        {return __bit_iterator<_Cp, true>(__seg_, static_cast<unsigned>(__ctz(__mask_)));}
 private:
     _LIBCPP_INLINE_VISIBILITY
     __bit_const_reference(__storage_pointer __s, __storage_type __m) _NOEXCEPT
@@ -146,11 +146,11 @@
 
 // find
 
-template <class _C>
-__bit_iterator<_C, false>
-__find_bool_true(__bit_iterator<_C, false> __first, typename _C::size_type __n)
+template <class _Cp>
+__bit_iterator<_Cp, false>
+__find_bool_true(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n)
 {
-    typedef __bit_iterator<_C, false> _It;
+    typedef __bit_iterator<_Cp, false> _It;
     typedef typename _It::__storage_type __storage_type;
     static const unsigned __bits_per_word = _It::__bits_per_word;
     // do first partial word
@@ -180,11 +180,11 @@
     return _It(__first.__seg_, static_cast<unsigned>(__n));
 }
 
-template <class _C>
-__bit_iterator<_C, false>
-__find_bool_false(__bit_iterator<_C, false> __first, typename _C::size_type __n)
+template <class _Cp>
+__bit_iterator<_Cp, false>
+__find_bool_false(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n)
 {
-    typedef __bit_iterator<_C, false> _It;
+    typedef __bit_iterator<_Cp, false> _It;
     typedef typename _It::__storage_type __storage_type;
     static const unsigned __bits_per_word = _It::__bits_per_word;
     // do first partial word
@@ -217,23 +217,23 @@
     return _It(__first.__seg_, static_cast<unsigned>(__n));
 }
 
-template <class _C, class _Tp>
+template <class _Cp, class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
-__bit_iterator<_C, false>
-find(__bit_iterator<_C, false> __first, __bit_iterator<_C, false> __last, const _Tp& __value_)
+__bit_iterator<_Cp, false>
+find(__bit_iterator<_Cp, false> __first, __bit_iterator<_Cp, false> __last, const _Tp& __value_)
 {
     if (static_cast<bool>(__value_))
-        return __find_bool_true(__first, static_cast<typename _C::size_type>(__last - __first));
-    return __find_bool_false(__first, static_cast<typename _C::size_type>(__last - __first));
+        return __find_bool_true(__first, static_cast<typename _Cp::size_type>(__last - __first));
+    return __find_bool_false(__first, static_cast<typename _Cp::size_type>(__last - __first));
 }
 
 // count
 
-template <class _C>
-typename __bit_iterator<_C, false>::difference_type
-__count_bool_true(__bit_iterator<_C, false> __first, typename _C::size_type __n)
+template <class _Cp>
+typename __bit_iterator<_Cp, false>::difference_type
+__count_bool_true(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n)
 {
-    typedef __bit_iterator<_C, false> _It;
+    typedef __bit_iterator<_Cp, false> _It;
     typedef typename _It::__storage_type __storage_type;
     typedef typename _It::difference_type difference_type;
     static const unsigned __bits_per_word = _It::__bits_per_word;
@@ -260,11 +260,11 @@
     return __r;
 }
 
-template <class _C>
-typename __bit_iterator<_C, false>::difference_type
-__count_bool_false(__bit_iterator<_C, false> __first, typename _C::size_type __n)
+template <class _Cp>
+typename __bit_iterator<_Cp, false>::difference_type
+__count_bool_false(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n)
 {
-    typedef __bit_iterator<_C, false> _It;
+    typedef __bit_iterator<_Cp, false> _It;
     typedef typename _It::__storage_type __storage_type;
     typedef typename _It::difference_type difference_type;
     static const unsigned __bits_per_word = _It::__bits_per_word;
@@ -291,23 +291,23 @@
     return __r;
 }
 
-template <class _C, class _Tp>
+template <class _Cp, class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
-typename __bit_iterator<_C, false>::difference_type
-count(__bit_iterator<_C, false> __first, __bit_iterator<_C, false> __last, const _Tp& __value_)
+typename __bit_iterator<_Cp, false>::difference_type
+count(__bit_iterator<_Cp, false> __first, __bit_iterator<_Cp, false> __last, const _Tp& __value_)
 {
     if (static_cast<bool>(__value_))
-        return __count_bool_true(__first, static_cast<typename _C::size_type>(__last - __first));
-    return __count_bool_false(__first, static_cast<typename _C::size_type>(__last - __first));
+        return __count_bool_true(__first, static_cast<typename _Cp::size_type>(__last - __first));
+    return __count_bool_false(__first, static_cast<typename _Cp::size_type>(__last - __first));
 }
 
 // fill_n
 
-template <class _C>
+template <class _Cp>
 void
-__fill_n_false(__bit_iterator<_C, false> __first, typename _C::size_type __n)
+__fill_n_false(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n)
 {
-    typedef __bit_iterator<_C, false> _It;
+    typedef __bit_iterator<_Cp, false> _It;
     typedef typename _It::__storage_type __storage_type;
     static const unsigned __bits_per_word = _It::__bits_per_word;
     // do first partial word
@@ -333,11 +333,11 @@
     }
 }
 
-template <class _C>
+template <class _Cp>
 void
-__fill_n_true(__bit_iterator<_C, false> __first, typename _C::size_type __n)
+__fill_n_true(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n)
 {
-    typedef __bit_iterator<_C, false> _It;
+    typedef __bit_iterator<_Cp, false> _It;
     typedef typename _It::__storage_type __storage_type;
     static const unsigned __bits_per_word = _It::__bits_per_word;
     // do first partial word
@@ -363,10 +363,10 @@
     }
 }
 
-template <class _C>
+template <class _Cp>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-fill_n(__bit_iterator<_C, false> __first, typename _C::size_type __n, bool __value_)
+fill_n(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n, bool __value_)
 {
     if (__n > 0)
     {
@@ -379,22 +379,22 @@
 
 // fill
 
-template <class _C>
+template <class _Cp>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-fill(__bit_iterator<_C, false> __first, __bit_iterator<_C, false> __last, bool __value_)
+fill(__bit_iterator<_Cp, false> __first, __bit_iterator<_Cp, false> __last, bool __value_)
 {
-    _VSTD::fill_n(__first, static_cast<typename _C::size_type>(__last - __first), __value_);
+    _VSTD::fill_n(__first, static_cast<typename _Cp::size_type>(__last - __first), __value_);
 }
 
 // copy
 
-template <class _C, bool _IsConst>
-__bit_iterator<_C, false>
-__copy_aligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst> __last,
-                                                     __bit_iterator<_C, false> __result)
+template <class _Cp, bool _IsConst>
+__bit_iterator<_Cp, false>
+__copy_aligned(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp, _IsConst> __last,
+                                                     __bit_iterator<_Cp, false> __result)
 {
-    typedef __bit_iterator<_C, _IsConst> _In;
+    typedef __bit_iterator<_Cp, _IsConst> _In;
     typedef  typename _In::difference_type difference_type;
     typedef typename _In::__storage_type __storage_type;
     static const unsigned __bits_per_word = _In::__bits_per_word;
@@ -436,12 +436,12 @@
     return __result;
 }
 
-template <class _C, bool _IsConst>
-__bit_iterator<_C, false>
-__copy_unaligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst> __last,
-                                                       __bit_iterator<_C, false> __result)
+template <class _Cp, bool _IsConst>
+__bit_iterator<_Cp, false>
+__copy_unaligned(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp, _IsConst> __last,
+                                                       __bit_iterator<_Cp, false> __result)
 {
-    typedef __bit_iterator<_C, _IsConst> _In;
+    typedef __bit_iterator<_Cp, _IsConst> _In;
     typedef  typename _In::difference_type difference_type;
     typedef typename _In::__storage_type __storage_type;
     static const unsigned __bits_per_word = _In::__bits_per_word;
@@ -514,10 +514,10 @@
     return __result;
 }
 
-template <class _C, bool _IsConst>
+template <class _Cp, bool _IsConst>
 inline _LIBCPP_INLINE_VISIBILITY
-__bit_iterator<_C, false>
-copy(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst> __last, __bit_iterator<_C, false> __result)
+__bit_iterator<_Cp, false>
+copy(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp, _IsConst> __last, __bit_iterator<_Cp, false> __result)
 {
     if (__first.__ctz_ == __result.__ctz_)
         return __copy_aligned(__first, __last, __result);
@@ -526,12 +526,12 @@
 
 // copy_backward
 
-template <class _C, bool _IsConst>
-__bit_iterator<_C, false>
-__copy_backward_aligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst> __last,
-                                                     __bit_iterator<_C, false> __result)
+template <class _Cp, bool _IsConst>
+__bit_iterator<_Cp, false>
+__copy_backward_aligned(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp, _IsConst> __last,
+                                                     __bit_iterator<_Cp, false> __result)
 {
-    typedef __bit_iterator<_C, _IsConst> _In;
+    typedef __bit_iterator<_Cp, _IsConst> _In;
     typedef  typename _In::difference_type difference_type;
     typedef typename _In::__storage_type __storage_type;
     static const unsigned __bits_per_word = _In::__bits_per_word;
@@ -573,12 +573,12 @@
     return __result;
 }
 
-template <class _C, bool _IsConst>
-__bit_iterator<_C, false>
-__copy_backward_unaligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst> __last,
-                                                       __bit_iterator<_C, false> __result)
+template <class _Cp, bool _IsConst>
+__bit_iterator<_Cp, false>
+__copy_backward_unaligned(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp, _IsConst> __last,
+                                                       __bit_iterator<_Cp, false> __result)
 {
-    typedef __bit_iterator<_C, _IsConst> _In;
+    typedef __bit_iterator<_Cp, _IsConst> _In;
     typedef  typename _In::difference_type difference_type;
     typedef typename _In::__storage_type __storage_type;
     static const unsigned __bits_per_word = _In::__bits_per_word;
@@ -659,10 +659,10 @@
     return __result;
 }
 
-template <class _C, bool _IsConst>
+template <class _Cp, bool _IsConst>
 inline _LIBCPP_INLINE_VISIBILITY
-__bit_iterator<_C, false>
-copy_backward(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst> __last, __bit_iterator<_C, false> __result)
+__bit_iterator<_Cp, false>
+copy_backward(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp, _IsConst> __last, __bit_iterator<_Cp, false> __result)
 {
     if (__last.__ctz_ == __result.__ctz_)
         return __copy_backward_aligned(__first, __last, __result);
@@ -671,20 +671,20 @@
 
 // move
 
-template <class _C, bool _IsConst>
+template <class _Cp, bool _IsConst>
 inline _LIBCPP_INLINE_VISIBILITY
-__bit_iterator<_C, false>
-move(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst> __last, __bit_iterator<_C, false> __result)
+__bit_iterator<_Cp, false>
+move(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp, _IsConst> __last, __bit_iterator<_Cp, false> __result)
 {
     return _VSTD::copy(__first, __last, __result);
 }
 
 // move_backward
 
-template <class _C, bool _IsConst>
+template <class _Cp, bool _IsConst>
 inline _LIBCPP_INLINE_VISIBILITY
-__bit_iterator<_C, false>
-move_backward(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst> __last, __bit_iterator<_C, false> __result)
+__bit_iterator<_Cp, false>
+move_backward(__bit_iterator<_Cp, _IsConst> __first, __bit_iterator<_Cp, _IsConst> __last, __bit_iterator<_Cp, false> __result)
 {
     return _VSTD::copy(__first, __last, __result);
 }
@@ -854,31 +854,31 @@
 
 // rotate
 
-template <class _C>
+template <class _Cp>
 struct __bit_array
 {
-    typedef typename _C::difference_type difference_type;
-    typedef typename _C::__storage_type  __storage_type;
-    typedef typename _C::iterator        iterator;
-    static const unsigned __bits_per_word = _C::__bits_per_word;
-    static const unsigned _N = 4;
+    typedef typename _Cp::difference_type difference_type;
+    typedef typename _Cp::__storage_type  __storage_type;
+    typedef typename _Cp::iterator        iterator;
+    static const unsigned __bits_per_word = _Cp::__bits_per_word;
+    static const unsigned _Np = 4;
 
     difference_type __size_;
-    __storage_type __word_[_N];
+    __storage_type __word_[_Np];
 
     _LIBCPP_INLINE_VISIBILITY static difference_type capacity()
-        {return static_cast<difference_type>(_N * __bits_per_word);}
+        {return static_cast<difference_type>(_Np * __bits_per_word);}
     _LIBCPP_INLINE_VISIBILITY explicit __bit_array(difference_type __s) : __size_(__s) {}
     _LIBCPP_INLINE_VISIBILITY iterator begin() {return iterator(__word_, 0);}
     _LIBCPP_INLINE_VISIBILITY iterator end()   {return iterator(__word_ + __size_ / __bits_per_word,
                                                   static_cast<unsigned>(__size_ % __bits_per_word));}
 };
 
-template <class _C>
-__bit_iterator<_C, false>
-rotate(__bit_iterator<_C, false> __first, __bit_iterator<_C, false> __middle, __bit_iterator<_C, false> __last)
+template <class _Cp>
+__bit_iterator<_Cp, false>
+rotate(__bit_iterator<_Cp, false> __first, __bit_iterator<_Cp, false> __middle, __bit_iterator<_Cp, false> __last)
 {
-    typedef __bit_iterator<_C, false> _I1;
+    typedef __bit_iterator<_Cp, false> _I1;
     typedef  typename _I1::difference_type difference_type;
     typedef typename _I1::__storage_type __storage_type;
     static const unsigned __bits_per_word = _I1::__bits_per_word;
@@ -889,16 +889,16 @@
     {
         if (__d1 <= __d2)
         {
-            if (__d1 <= __bit_array<_C>::capacity())
+            if (__d1 <= __bit_array<_Cp>::capacity())
             {
-                __bit_array<_C> __b(__d1);
+                __bit_array<_Cp> __b(__d1);
                 _VSTD::copy(__first, __middle, __b.begin());
                 _VSTD::copy(__b.begin(), __b.end(), _VSTD::copy(__middle, __last, __first));
                 break;
             }
             else
             {
-                __bit_iterator<_C, false> __mp = _VSTD::swap_ranges(__first, __middle, __middle);
+                __bit_iterator<_Cp, false> __mp = _VSTD::swap_ranges(__first, __middle, __middle);
                 __first = __middle;
                 __middle = __mp;
                 __d2 -= __d1;
@@ -906,16 +906,16 @@
         }
         else
         {
-            if (__d2 <= __bit_array<_C>::capacity())
+            if (__d2 <= __bit_array<_Cp>::capacity())
             {
-                __bit_array<_C> __b(__d2);
+                __bit_array<_Cp> __b(__d2);
                 _VSTD::copy(__middle, __last, __b.begin());
                 _VSTD::copy_backward(__b.begin(), __b.end(), _VSTD::copy_backward(__first, __middle, __last));
                 break;
             }
             else
             {
-                __bit_iterator<_C, false> __mp = __first + __d2;
+                __bit_iterator<_Cp, false> __mp = __first + __d2;
                 _VSTD::swap_ranges(__first, __mp, __middle);
                 __first = __mp;
                 __d1 -= __d2;
@@ -927,12 +927,12 @@
 
 // equal
 
-template <class _C>
+template <class _Cp>
 bool
-__equal_unaligned(__bit_iterator<_C, true> __first1, __bit_iterator<_C, true> __last1,
-                  __bit_iterator<_C, true> __first2)
+__equal_unaligned(__bit_iterator<_Cp, true> __first1, __bit_iterator<_Cp, true> __last1,
+                  __bit_iterator<_Cp, true> __first2)
 {
-    typedef __bit_iterator<_C, true> _It;
+    typedef __bit_iterator<_Cp, true> _It;
     typedef  typename _It::difference_type difference_type;
     typedef typename _It::__storage_type __storage_type;
     static const unsigned __bits_per_word = _It::__bits_per_word;
@@ -1005,12 +1005,12 @@
     return true;
 }
 
-template <class _C>
+template <class _Cp>
 bool
-__equal_aligned(__bit_iterator<_C, true> __first1, __bit_iterator<_C, true> __last1,
-                __bit_iterator<_C, true> __first2)
+__equal_aligned(__bit_iterator<_Cp, true> __first1, __bit_iterator<_Cp, true> __last1,
+                __bit_iterator<_Cp, true> __first2)
 {
-    typedef __bit_iterator<_C, true> _It;
+    typedef __bit_iterator<_Cp, true> _It;
     typedef  typename _It::difference_type difference_type;
     typedef typename _It::__storage_type __storage_type;
     static const unsigned __bits_per_word = _It::__bits_per_word;
@@ -1048,31 +1048,31 @@
     return true;
 }
 
-template <class _C, bool _IC1, bool _IC2>
+template <class _Cp, bool _IC1, bool _IC2>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-equal(__bit_iterator<_C, _IC1> __first1, __bit_iterator<_C, _IC1> __last1, __bit_iterator<_C, _IC2> __first2)
+equal(__bit_iterator<_Cp, _IC1> __first1, __bit_iterator<_Cp, _IC1> __last1, __bit_iterator<_Cp, _IC2> __first2)
 {
     if (__first1.__ctz_ == __first2.__ctz_)
         return __equal_aligned(__first1, __last1, __first2);
     return __equal_unaligned(__first1, __last1, __first2);
 }
 
-template <class _C, bool _IsConst>
+template <class _Cp, bool _IsConst>
 class __bit_iterator
 {
 public:
-    typedef typename _C::difference_type                                                          difference_type;
+    typedef typename _Cp::difference_type                                                          difference_type;
     typedef bool                                                                                  value_type;
     typedef __bit_iterator                                                                        pointer;
-    typedef typename conditional<_IsConst, __bit_const_reference<_C>, __bit_reference<_C> >::type reference;
+    typedef typename conditional<_IsConst, __bit_const_reference<_Cp>, __bit_reference<_Cp> >::type reference;
     typedef random_access_iterator_tag                                                            iterator_category;
 
 private:
-    typedef typename _C::__storage_type                                           __storage_type;
-    typedef typename conditional<_IsConst, typename _C::__const_storage_pointer,
-                                           typename _C::__storage_pointer>::type  __storage_pointer;
-    static const unsigned __bits_per_word = _C::__bits_per_word;
+    typedef typename _Cp::__storage_type                                           __storage_type;
+    typedef typename conditional<_IsConst, typename _Cp::__const_storage_pointer,
+                                           typename _Cp::__storage_pointer>::type  __storage_pointer;
+    static const unsigned __bits_per_word = _Cp::__bits_per_word;
 
     __storage_pointer __seg_;
     unsigned          __ctz_;
@@ -1081,7 +1081,7 @@
     _LIBCPP_INLINE_VISIBILITY __bit_iterator() _NOEXCEPT {}
 
     _LIBCPP_INLINE_VISIBILITY
-    __bit_iterator(const __bit_iterator<_C, false>& __it) _NOEXCEPT
+    __bit_iterator(const __bit_iterator<_Cp, false>& __it) _NOEXCEPT
         : __seg_(__it.__seg_), __ctz_(__it.__ctz_) {}
 
     _LIBCPP_INLINE_VISIBILITY reference operator*() const _NOEXCEPT
@@ -1189,34 +1189,34 @@
         : __seg_(__s), __ctz_(__ctz) {}
 
 #if defined(__clang__)
-    friend typename _C::__self;
+    friend typename _Cp::__self;
 #else
-    friend class _C::__self;
+    friend class _Cp::__self;
 #endif
-    friend class __bit_reference<_C>;
-    friend class __bit_const_reference<_C>;
-    friend class __bit_iterator<_C, true>;
-    template <class _D> friend struct __bit_array;
-    template <class _D> friend void __fill_n_false(__bit_iterator<_D, false> __first, typename _D::size_type __n);
-    template <class _D> friend void __fill_n_true(__bit_iterator<_D, false> __first, typename _D::size_type __n);
-    template <class _D, bool _IC> friend __bit_iterator<_D, false> __copy_aligned(__bit_iterator<_D, _IC> __first,
-                                                                                  __bit_iterator<_D, _IC> __last,
-                                                                                  __bit_iterator<_D, false> __result);
-    template <class _D, bool _IC> friend __bit_iterator<_D, false> __copy_unaligned(__bit_iterator<_D, _IC> __first,
-                                                                                    __bit_iterator<_D, _IC> __last,
-                                                                                    __bit_iterator<_D, false> __result);
-    template <class _D, bool _IC> friend __bit_iterator<_D, false> copy(__bit_iterator<_D, _IC> __first,
-                                                                        __bit_iterator<_D, _IC> __last,
-                                                                        __bit_iterator<_D, false> __result);
-    template <class _D, bool _IC> friend __bit_iterator<_D, false> __copy_backward_aligned(__bit_iterator<_D, _IC> __first,
-                                                                                           __bit_iterator<_D, _IC> __last,
-                                                                                           __bit_iterator<_D, false> __result);
-    template <class _D, bool _IC> friend __bit_iterator<_D, false> __copy_backward_unaligned(__bit_iterator<_D, _IC> __first,
-                                                                                             __bit_iterator<_D, _IC> __last,
-                                                                                             __bit_iterator<_D, false> __result);
-    template <class _D, bool _IC> friend __bit_iterator<_D, false> copy_backward(__bit_iterator<_D, _IC> __first,
-                                                                                 __bit_iterator<_D, _IC> __last,
-                                                                                 __bit_iterator<_D, false> __result);
+    friend class __bit_reference<_Cp>;
+    friend class __bit_const_reference<_Cp>;
+    friend class __bit_iterator<_Cp, true>;
+    template <class _Dp> friend struct __bit_array;
+    template <class _Dp> friend void __fill_n_false(__bit_iterator<_Dp, false> __first, typename _Dp::size_type __n);
+    template <class _Dp> friend void __fill_n_true(__bit_iterator<_Dp, false> __first, typename _Dp::size_type __n);
+    template <class _Dp, bool _IC> friend __bit_iterator<_Dp, false> __copy_aligned(__bit_iterator<_Dp, _IC> __first,
+                                                                                  __bit_iterator<_Dp, _IC> __last,
+                                                                                  __bit_iterator<_Dp, false> __result);
+    template <class _Dp, bool _IC> friend __bit_iterator<_Dp, false> __copy_unaligned(__bit_iterator<_Dp, _IC> __first,
+                                                                                    __bit_iterator<_Dp, _IC> __last,
+                                                                                    __bit_iterator<_Dp, false> __result);
+    template <class _Dp, bool _IC> friend __bit_iterator<_Dp, false> copy(__bit_iterator<_Dp, _IC> __first,
+                                                                        __bit_iterator<_Dp, _IC> __last,
+                                                                        __bit_iterator<_Dp, false> __result);
+    template <class _Dp, bool _IC> friend __bit_iterator<_Dp, false> __copy_backward_aligned(__bit_iterator<_Dp, _IC> __first,
+                                                                                           __bit_iterator<_Dp, _IC> __last,
+                                                                                           __bit_iterator<_Dp, false> __result);
+    template <class _Dp, bool _IC> friend __bit_iterator<_Dp, false> __copy_backward_unaligned(__bit_iterator<_Dp, _IC> __first,
+                                                                                             __bit_iterator<_Dp, _IC> __last,
+                                                                                             __bit_iterator<_Dp, false> __result);
+    template <class _Dp, bool _IC> friend __bit_iterator<_Dp, false> copy_backward(__bit_iterator<_Dp, _IC> __first,
+                                                                                 __bit_iterator<_Dp, _IC> __last,
+                                                                                 __bit_iterator<_Dp, false> __result);
     template <class __C1, class __C2>friend __bit_iterator<__C2, false> __swap_ranges_aligned(__bit_iterator<__C1, false>,
                                                                                            __bit_iterator<__C1, false>,
                                                                                            __bit_iterator<__C2, false>);
@@ -1226,22 +1226,22 @@
     template <class __C1, class __C2>friend __bit_iterator<__C2, false> swap_ranges(__bit_iterator<__C1, false>,
                                                                                  __bit_iterator<__C1, false>,
                                                                                  __bit_iterator<__C2, false>);
-    template <class _D> friend __bit_iterator<_D, false> rotate(__bit_iterator<_D, false>,
-                                                                __bit_iterator<_D, false>,
-                                                                __bit_iterator<_D, false>);
-    template <class _D> friend bool __equal_aligned(__bit_iterator<_D, true>,
-                                                    __bit_iterator<_D, true>,
-                                                    __bit_iterator<_D, true>);
-    template <class _D> friend bool __equal_unaligned(__bit_iterator<_D, true>,
-                                                      __bit_iterator<_D, true>,
-                                                      __bit_iterator<_D, true>);
-    template <class _D, bool _IC1, bool _IC2> friend bool equal(__bit_iterator<_D, _IC1>,
-                                                                __bit_iterator<_D, _IC1>,
-                                                                __bit_iterator<_D, _IC2>);
-    template <class _D> friend __bit_iterator<_D, false> __find_bool_true(__bit_iterator<_D, false>,
-                                                                          typename _D::size_type);
-    template <class _D> friend __bit_iterator<_D, false> __find_bool_false(__bit_iterator<_D, false>,
-                                                                           typename _D::size_type);
+    template <class _Dp> friend __bit_iterator<_Dp, false> rotate(__bit_iterator<_Dp, false>,
+                                                                __bit_iterator<_Dp, false>,
+                                                                __bit_iterator<_Dp, false>);
+    template <class _Dp> friend bool __equal_aligned(__bit_iterator<_Dp, true>,
+                                                    __bit_iterator<_Dp, true>,
+                                                    __bit_iterator<_Dp, true>);
+    template <class _Dp> friend bool __equal_unaligned(__bit_iterator<_Dp, true>,
+                                                      __bit_iterator<_Dp, true>,
+                                                      __bit_iterator<_Dp, true>);
+    template <class _Dp, bool _IC1, bool _IC2> friend bool equal(__bit_iterator<_Dp, _IC1>,
+                                                                __bit_iterator<_Dp, _IC1>,
+                                                                __bit_iterator<_Dp, _IC2>);
+    template <class _Dp> friend __bit_iterator<_Dp, false> __find_bool_true(__bit_iterator<_Dp, false>,
+                                                                          typename _Dp::size_type);
+    template <class _Dp> friend __bit_iterator<_Dp, false> __find_bool_false(__bit_iterator<_Dp, false>,
+                                                                           typename _Dp::size_type);
 };
 
 _LIBCPP_END_NAMESPACE_STD